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Diffstat (limited to 'doc/refman/RefMan-ltac.tex')
| -rw-r--r-- | doc/refman/RefMan-ltac.tex | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/doc/refman/RefMan-ltac.tex b/doc/refman/RefMan-ltac.tex index 5880487f7..cc7e6b53b 100644 --- a/doc/refman/RefMan-ltac.tex +++ b/doc/refman/RefMan-ltac.tex @@ -1041,6 +1041,18 @@ This tactical is useful with tactics such as \texttt{omega} or the user can avoid the explosion at time of the \texttt{Save} command without having to cut manually the proof in smaller lemmas. +It may be useful to generate lemmas minimal w.r.t. the assumptions they depend +on. This can be obtained thanks to the option below. + +\begin{quote} +\optindex{Shrink Abstract} +{\tt Set Shrink Abstract} +\end{quote} + +When set, all lemmas generated through \texttt{abstract {\tacexpr}} are +quantified only over the variables that appear in the term constructed by +\texttt{\tacexpr}. + \begin{Variants} \item \texttt{abstract {\tacexpr} using {\ident}}.\\ Give explicitly the name of the auxiliary lemma. @@ -1089,7 +1101,7 @@ using the syntax: {\tt Ltac} {\qualid} {\ident}$_1$ ... {\ident}$_n$ {\tt ::=} {\tacexpr} \end{quote} -A previous definition of \qualid must exist in the environment. +A previous definition of {\qualid} must exist in the environment. The new definition will always be used instead of the old one and it goes accross module boundaries. |